Mia's Science Quiz 3
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (24 张)
Physics
The study of matter and energy and the interactions between the two through forces and motion
Matter
Anything that has mass and takes up space
energy
The ability to do work or cause change
force
A push or pull exerted on an object
Non-Contact force
A force that one object can apply to another without touching it
contact force
A force that is exerted only when two objects are touching
Net force
The sum of all forces acting on an object
system
A object or collection of objects that are used by physicists to study specific interactions like energy, speed, etc
SI units
The International System of Units
Joule (J)
The SI unit of energy
Newton (N)
SI unit of force
Speed (S)
The distance an object travels per unit of time.
Velocity (V)
Speed in a given direction
Acceleration (a)
The rate at which the velocity changes
Potential Energy (PE)
Stored energy
Kinetic Energy (KE)
The energy an object has due to its motion
Energy Transfer
The movement of energy from one place or object to another
Energy transformation
The change of energy from one type to another
Pendulum
A device of mass that swings back and forth due to the force of gravity
Period (T) (of a pendulum)
The amount of time required for one full swing of the pendulum
Spring Scale
A tool used to measure force
Friction
A force that opposes motion between two surfaces that are in contact
Air resistance
A type of frictional force that acts upon objects as they travel through the air
Gravity (G)
A force of attraction between objects that is due to their masses